膝关节置换的当前概念：特点和影像学评估。
Current concepts in knee replacement: features and imaging assessment.
机构信息
1 Both authors: Department of Radiology, Musculoskeletal Imaging, University of Washington, Roosevelt Radiology Box 354755, 4245 Roosevelt Way NE, Seattle, WA 98105.
出版信息
AJR Am J Roentgenol. 2013 Dec;201(6):W828-42. doi: 10.2214/AJR.13.11307.
OBJECTIVE
This article reviews current concepts of knee replacement. Features of traditional and new prosthetic designs, materials, and surgical techniques are discussed. Normal and abnormal postoperative imaging findings are illustrated. Complications are reviewed and related to the current understanding about how and why these failures occur.
CONCLUSION
It is well known that after knee replacement, patients with complications may be asymptomatic, and, for this reason, assessment of postoperative imaging is important. The foundation of radiologic interpretation of knee replacement is knowledge of the physiologic purpose, orthopedic trends, imaging findings, and complications.
目的
本文综述了膝关节置换的现有概念。讨论了传统和新型假体设计、材料和手术技术的特点。展示了正常和异常术后影像学表现。回顾了并发症，并结合目前对这些失败发生的方式和原因的理解进行了讨论。
结论
众所周知，膝关节置换后，有并发症的患者可能无症状，因此，评估术后影像学表现很重要。解读膝关节置换术后影像学的基础是了解其生理目的、矫形趋势、影像学表现和并发症。
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